99542036422656 has 896 divisors, whose sum is σ = 313093064724480. Its totient is φ = 31191367680000.

The previous prime is 99542036422643. The next prime is 99542036422663. The reversal of 99542036422656 is 65622463024599.

99542036422656 is a `hidden beast` number, since 9 + 9 + 5 + 4 + 2 + 0 + 364 + 2 + 265 + 6 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 99542036422593 and 99542036422602.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77585374591 + ... + 77585375873.

Almost surely, 2^{99542036422656} is an apocalyptic number.

99542036422656 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99542036422656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156546532362240).

99542036422656 is an abundant number, since it is smaller than the sum of its proper divisors (213551028301824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99542036422656 is a wasteful number, since it uses less digits than its factorization.

99542036422656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593 (or 1563 counting only the distinct ones).

The product of its (nonzero) digits is 167961600, while the sum is 63.

The spelling of 99542036422656 in words is "ninety-nine trillion, five hundred forty-two billion, thirty-six million, four hundred twenty-two thousand, six hundred fifty-six".